<template>
  <!--分隔组件-->
  <div class="select-rating">
    <div class="rating-type ">
      <span class="block positive" @click="select(2, $event)" :class="{'active': selectType === 2}">
        {{desc.all}}
        <span class="count">{{ratings.length}}</span>
      </span>

      <span class="block positive" @click="select(0, $event)" :class="{'active': selectType === 0}">
        {{desc.positive}}
        <span class="count">{{positives.length}}</span>
      </span>

      <span class="block negative" @click="select(1, $event)" :class="{'active': selectType === 1}">
        {{desc.negative}}
        <span class="count">{{negatives.length}}</span>
      </span>
    </div>
    <div class="switch" :class="{'on': onlyContent}">
      <i @click="toggleContent($event)" class="icon-check_circle"></i>
      <span class="text">只看有内容的评价</span>
    </div>
  </div>
</template>

<script>
  const POSITIVE = 0;
  const NEGATIVE = 1;
  const ALL = 2;

  export default {
    data() {
      return {
        selectType_c: this.selectType,
        onlyContent_c: this.onlyContent
      }
    },
    props: {
      ratings: {
        type: Array,
        default() {
          return [];
        }
      },
      selectType: {
        type: Number,
        default: ALL
      },
      onlyContent: {
        type: Boolean,
        default: false
      },
      desc: {
        type: Object,
        default() {
          return {
            all: '全部',
            positive: '满意',
            negative: '不满意'
          }
        }
      }
    },
    methods: {
      select(type, event) {
        if (!event._constructed) {
          return;
        }
        this.selectType_c = type;
        // 派发事件
        this.$root.eventHub.$emit('ratingtype.select', type);
      },
      toggleContent() {
        if (!event._constructed) {
          return;
        }
        this.onlyContent_c = !this.onlyContent_c;
        // 派发事件
        this.$root.eventHub.$emit('content.toggle', this.onlyContent_c);
      },
    },
    computed: {
      positives() {
        return this.ratings.filter((rate) => {
          return rate.rateType === POSITIVE;
        })
      },
      negatives() {
        return this.ratings.filter((rate) => {
          return rate.rateType === NEGATIVE;
        })
      }
    }
  }
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped lang="less">
  @import "../../common/css/icon";
  @import "../../common/css/minxin";

  .select-rating {
    .rating-type {
      padding: 18px 0;
      margin: 0 18px;
      .border-1px(rgba(7, 17, 27, .1));
      font-size: 0;
      .block {
        display: inline-block;
        margin-right: 8px;
        padding: 8px 12px;
        border-radius: 1px;
        font-size: 12px;
        color: rgb(77, 85, 93);
        &.active {
          color: #fff;
        }
        .count {
          margin-left: 2px;
          font-size: 8px;
          line-height: 16px;
        }
      }
      .positive {
        background: rgba(0, 160, 220, .2);
        &.active {
          background: rgb(0, 160, 220);
        }
      }
      .negative {
        background: rgba(77, 85, 93, .2);
        &.active {
          background: rgb(77, 85, 93);
        }
      }
    }
    .switch {
      padding: 12px 18px;
      line-height: 24px;
      border-bottom: 1px solid rgba(7, 17, 27, .1);
      color: rgb(147, 153, 159);
      font-size: 0;
      &.on {
        .icon-check_circle {
          color: #00c850;
        }
      }
      .icon-check_circle {
        display: inline-block;
        vertical-align: top;
        margin-right: 4px;
        font-size: 24px;
      }
      .text {
        display: inline-block;
        vertical-align: top;
        font-size: 12px;
      }
    }
  }
</style>
